Transcript for Virginia Holds Its Version of the 'Running of the Bulls'

Check this out, it looks like a scene out of spain, it is the running of the bulls, but this is not spain, this is virginia. The running of the bulls has come to america. And not everybody is cheering. Abc's susan has more. Up to now, if you felt like running for your life hoping not to be gored to death by thousand pound bulls, it meant taking a trip to pamplona, spain. That was then, this is now. Look closely. Those are not the cobblestone streets of an ancient village. It's a racetrack in virginia, where the american version has begun in a big way. It's the great bull run and may be coming to a town near you. Can't wait, I'm excited. Crazy adrenaline rush. When they come out, I don't know what to do. Ran straight, turn around and ran into people. Adventure speakers are signing up in atlanta, houston, dallas, chicago and other cities. Everybody is going to see this, I can do that, run with the bulls, it's going to take off nationwide. That's not without controversy. Even the organizers recognize it's dangerous. Two runners are recovering from injuries even though it's safer than spain. They use fences to help them dodge the rampaging animals. Bull running, the latest extreme sport to enjoy a spike in popularity. Despite the risk, or because of it. Now some people object to the treatment of the animals, saying it puts both people and the animals at unnecessary risk. Bianna and dan, I don't know if I would do it, what do you think? I've said in the past, this should stay in spain. Not a tradition I think belongs here. Definitely people disagree with me. Definitely not, but thanks for the story. All right, switch gears.

This transcript has been automatically generated and may not be 100% accurate.

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